﻿using Yitter.IdGenerator;

namespace Timo.Common.Extension;

public class YitIdHelper
{
    static YitIdHelper()
    {
        var options = new IdGeneratorOptions(1); //构造方法初始化雪花Id
        YitIdHelper.SetIdGenerator(options);
    }

    private static IIdGenerator _IdGenInstance = null;
    public static IIdGenerator IdGenInstance => _IdGenInstance;

    /// <summary>
    /// 设置参数，建议程序初始化时执行一次
    /// </summary>
    /// <param name="options"></param>
    public static void SetIdGenerator(IdGeneratorOptions options)
    {
        _IdGenInstance = new DefaultIdGenerator(options);
    }

    /// <summary>
    /// 生成新的Id
    /// 调用本方法前，请确保调用了 SetIdGenerator 方法做初始化。
    /// 否则将会初始化一个WorkerId为1的对象。
    /// </summary>
    /// <returns></returns>
    public static long NextId()
    {
        if (_IdGenInstance == null)
        {
            _IdGenInstance = new DefaultIdGenerator(new IdGeneratorOptions() { WorkerId = 1 });
        }
        return _IdGenInstance.NewLong();
    }

}
